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Which step in the process of glycolysis requires the presence of oxygen?
None of the steps in glycolysis require the presence of oxygen. Glycolysis is the process of breaking down glucose to produce energy, and it occurs in the cytoplasm of cells, independent of oxygen availability.
Is oxygen necessary for glycolysis?
No - glycolysis is anaerobic (it does occur in the presence of oxygen).
What does it mean to say that glycolysis is an aerobic process?
Cellular respiration sometimes is referred to as aerobic respiration, meaning that it occurs in the presence of oxygen, and is not an anaerobic process. Glycolysis is one of the processes in cellular respiration. In the final steps of glycolysis, two hydrogen atoms are removed from each three-carbon compound by bonding to free-floating oxygen atoms in the cytoplasm to form water.
How much molecular oxygen is required in the fermentation of one molecule of glucose?
In the fermentation of one molecule of glucose, no molecular oxygen is required. Fermentation is an anaerobic process that does not involve oxygen and is used by some organisms to generate energy from glucose in the absence of oxygen.
Is glycolysis a aerobic process?
No. Glycolysis is anaerobic and do not require oxygen.
Does glycolysis stop when oxygen becomes unavailable to the cell?
Actually that's when the glycolysis occurs at a greater rate. Glycolysis is anaerobic, meaning it doesn't require oxygen. Without the presence of oxygen, glycolysis is undertaken to produce small amounts of ATP. It can also make lactic acid which can build up and become toxic to the body.
Why can glycolysis supply energy to cells when oxygen is not avalable?
Glycolysis can occur without oxygen. Although glycolysis does not require oxygen, it does require NAD+. Cells without oxygen available need to regenerate NAD+ from NADH so that in the absence of oxygen, at least some ATP can be made by glycolysis.
In the presence of oxygen glycolysis is followed by?
Krebs cycle.
In presence of oxygen glycolysis is followed by?
When oxygen is present, the Krebs Cycle and then the Electron transport chain follow glycolysis. When oxygen is not present, a different pathway follows glycolysis. The combination of glycolysis and the different pathway is called fermentation.
Is oxygen consumed in fermentation?
No because it is the repetition of Glycolysis many times which does not require oxygen.
Does glycolosis require oxygen?
No, glycolysis does not require oxygen. It is the process of breaking down glucose into pyruvate to produce a small amount of ATP and occurs in the cytoplasm of cells, independent of oxygen availability.
Why is glycolysis considered anaerobic respiration?
Glycolysis is consideredanaerobic respiration because the process does not require oxygen. During glycolysis glucose is broken down into 2 smaller molecules called pyruvic acid. This process requires a small amount of energy, but over all it does have a net gain in energy production. Glycolysis is also the first step in aerobic respiration. The 2 pyruvic acid molecules enter into the Krebs cycle, followed by the electron transport chain. This process produces a relatively large amount of energy, and requires the presence of Oxygen to happen. That is why it is considered aerobic.
